Join room by address (#3840)

* Implemented join room by address

* improved the text field typing

* some improvements to how the text is edited

* remove navigation link

* moved room directory search to the start chat flow

* updated preview tests

* added unit tests and improved the code

* updated strings

* some pr suggestions:

- moving the file
- changing the name of the action
- reintroduce the debounce text queries
- add comments

* renamed the auth text field style to Element

updated tests

ElementX/Resources/Localizations/en.lproj/Localizable.strings

@@ -480,6 +480,7 @@
 "screen_security_and_privacy_room_publishing_section_header" = "Room publishing";
 "screen_security_and_privacy_room_visibility_section_footer" = "Room addresses are ways to find and access rooms. This also ensures you can easily share your room with others.\nThe address is also required to make the room visible in %1$@ public room directory.";
 "screen_security_and_privacy_title" = "Security & privacy";
+"screen_start_chat_join_room_by_address_action" = "Join room by address";
 "screen_start_chat_join_room_by_address_invalid_address" = "Not a valid address";
 "screen_start_chat_join_room_by_address_placeholder" = "Enter...";
 "screen_start_chat_join_room_by_address_room_found" = "Matching room found";
@@ -488,7 +489,6 @@
 "screen_timeline_item_menu_send_failure_changed_identity" = "Message not sent because %1$@’s verified identity has changed.";
 "screen_timeline_item_menu_send_failure_unsigned_device" = "Message not sent because %1$@ has not verified all devices.";
 "screen_timeline_item_menu_send_failure_you_unsigned_device" = "Message not sent because you have not verified one or more of your devices.";
-"screen.start_chat.join_room_by_address_action" = "Join room by address";
 "screen_account_provider_form_hint" = "Homeserver address";
 "screen_account_provider_form_notice" = "Enter a search term or a domain address.";
 "screen_account_provider_form_subtitle" = "Search for a company, community, or private server.";